Clever Inventions Posted on March 13, 2011March 13, 2011 by Sam Kornstein in History Via Marginal Revolution: “United States Patent 3962748 and no, this is not from the Onion.” Related posts:A Cambodian's Perspective on American PoliticsHere's a Real 'Computer' GameThe Economist, In 18431938 Vintage Hong Kong Tourism Video Related
